Apr 2020 – Dec 2022 · 2 yrs 8 mos · Hilversum, North Holland, Netherlands

• Collaborative Team Member: Actively contributed to a democratic Scrum team, where open communication and shared decision-making drove the development of high-quality software solutions.
• Innovation Leader in Kubernetes: Spearheaded advancements in the Kubernetes ecosystem by implementing cutting-edge technologies such as Linkerd and Open Policy Agent. These enhancements improved our microservices architecture, bolstering system resilience, security, and scalability.
• Community Organizer: Led and organized company-sponsored technical meetups, fostering a vibrant community for knowledge exchange and networking among tech professionals.
• Industry Speaker: Represented the company as a speaker at various meetups and conferences, sharing insights and experiences to contribute to industry discourse and promote our technological achievements.
• Key Achievements:
• Successfully integrated advanced Kubernetes tools to optimize system performance.
• Built a strong tech community through regular meetups, enhancing the company’s reputation in the industry.
• Provided thought leadership by sharing expertise at industry events, positioning the company as an innovator in the field.

Mar 2019 – Mar 2020 · 1 yr · Amsterdam Area, Netherlands

• Building CICD solutions on top of Openshift platform. Helping teams with Kubernetes problems. Hosting and organizing Software Circus meetup. Building Self-Service solutions using Kubernetes Operators in Java and Spring Boot.

Sep 2018 – Feb 2019 · 5 mos · Amsterdam Area, Netherlands

• Managing global CDN Akamai infrastructure
• Designing software solutions for eCommerce department
• Building CICD pipelines and managing Azure cloud infrastructure using terraform

Nov 2017 – Aug 2018 · 9 mos · Amsterdam Area, Netherlands

• Managing company's Kubernetes infrastructure
• Managing global CDN Akamai infrastructure
• Providing Docker & Kubernetes training to the teams
• Preparing onboarding processes to new infrastructure
• Preparing CI/CD processes based on bash, docker and kubernetes helm
• Dockerizing .NET Core, Python, NodeJS applications
• Managing and automating Azure infrastructure
• Deploying infrastructure using Ansible

Jun 2017 – Oct 2017 · 4 mos · Amsterdam Area, Netherlands

Jan 2017 – May 2017 · 4 mos · Remotely

Feb 2016 – Jan 2017 · 11 mos · Amsterdam Area, Netherlands

• Developing complex banking software in using C#, SQL Server, ASP .NET and JavaScript (ExtJS)
• Analysing both user and technical requirements
• Working together in scrum/agile team with testers, business analysts and developers

Feb 2015 – Aug 2021 · 6 yrs 6 mos

• Led a Dynamic Development Scrum Team: Managed and mentored a high-performing team of developers, fostering collaboration and driving agile methodologies to deliver innovative software solutions on time and within budget.
• Charted the Project’s Long-Term Vision: Spearheaded the strategic direction of key projects, aligning technology initiatives with business objectives to propel growth and maintain a competitive edge in the market.
• Architected Scalable and Decentralized Solutions: Engineered robust solutions to meet evolving business needs, enabling the software to seamlessly scale to thousands of customers. Transformed deployment strategies to decentralize the software across hundreds of customer locations, enhancing accessibility and performance.
• Pioneered Technical Transformation with Kubernetes: Led the evolution of our technology stack from a single Windows machine to a resilient distributed system using Kubernetes. This overhaul significantly improved scalability, reliability, and deployment efficiency, positioning the company for future expansion.

Aug 2014 – Feb 2015 · 6 mos

• Developing Android applications
• Creating Web services in ASP.NET WebAPI , C# and SQL Server for web and mobile clients
• Developing websites in ASP.NET MVC and AngularJS based SPA applications for created web services

Feb 2015 – Feb 2017 · 2 yrs · Warsaw

• Conducted Engaging Laboratory Sessions: Led hands-on laboratory classes for “Enterprise Applications in .NET” and “Windows Programming,” inspiring both Polish and English-speaking students through interactive and practical learning experiences.
• Bilingual Instruction Excellence: Effectively taught complex programming concepts in both Polish and English, ensuring accessibility and comprehension for a diverse student body.
• Guided Software Development Principles: Educated students on fundamental programming principles, emphasizing critical design decisions and the importance of making strategic compromises in software development processes.
• Evaluated and Mentored Students: Reviewed assignments and projects with a focus on providing constructive feedback, helping students to improve their skills and understanding. Responsible for fair and timely grading, contributing to their academic success.
• Enhanced Learning Outcomes: Implemented innovative teaching methods to simplify complex topics, resulting in improved student performance and engagement.
• Key Achievements:
• Successfully increased student satisfaction scores by introducing interactive coding exercises and real-world application examples.
• Collaborated with faculty to update curriculum content, integrating the latest industry trends and technologies.
• Mentored several students who went on to achieve top honors in national programming competitions.

Feb 2015 – Oct 2015 · 8 mos · Warsaw, Masovian District, Poland

• Development of complex, time and resource constrained solutions in C#, including language parsers and grammar
• Writing Spark driver for hadoop clusters that integrates with C# applications
• Developing complex SQL Server solutions including integration with SQL TDS protocol

Jan 2013 – May 2013 · 4 mos

• Developing business applications in C#, EntityFramework.
• Designing and developing solutions based on WCF and WebServices
• Maintaining and extending functionality to newly arising business needs
• Writing projects' technical and functional documentation

Dec 2011 – Sep 2012 · 9 mos · Warsaw Area, Poland

• Creating and maintaining web application in ASP .NET MVC that connects translators and clients.
• Promoting company on nationwide events and contests. Prize in House of Walkers contest. Taking part in two TV documentary series in TV Business and TVP Warszawa as one of best startups.
• Taking part in related conferences and choosing appropriate technology to company's needs.

Mar 2011 – Oct 2011 · 7 mos · Warsaw Area, Poland

• Maintaining reporting application for approx. several thousand customers.
• Developing new features and extending existing ones to the reporting application (WebServices, Crystal Reports, NHIbernate)
• Creating and extending functionality of ASP .NET powered websites
• Developing application based on ASXM web services as well as WCF
• Maintaining and developing queries and scripts for SQL Server database